TY  - JOUR
AU  - Chorfi,  Nejmeddine
AU  - Jleli,  Mohamed
TI  - Approximation of the singularity coefficients of an elliptic equation by mortar spectral element method
JO  - Electronic journal of differential equations
PY  - 2015
VL  - 2015
UR  - http://geodesic.mathdoc.fr/item/EJDE_2015__2015__a99/
LA  - en
ID  - EJDE_2015__2015__a99
ER  -